Ceramic Filter Media Blocks for Beneficial Biological Aquarium Filtration – 1x 8x8x2 Block

Ceramic Filter Media Serves as Mechanical Filtration Catching Fine Particals. Ceramic Media Promotes Beneficial Biological Bacteria Growth. Strong Ceramic Media is much more Durable than the Competition, This Media Doesn’t Crumble after Years in the Aquarium. Media is available in multiple sizes for ease of use and ease of addition to the Aquarium